The impacts of natural disasters are described in imaginary pen pal letters from peers who reside in the pathways of four authentic natural disasters: a volcanic lava flow in Hawaii, a volcanic ash cloud in Russia, a hurricane in the Gulf of Mexico...(View More) and flooding in the Midwestern U.S. Students must answer questions posed in the letters (included in the lesson), locate the impacted areas on a map, examine images of the disaster, research the Earth science processes involved and write back to the pen pal. The URL opens to the investigation directory, with links to teacher and student materials, lesson extensions, resources, teaching tips, and assessment strategies. This is Investigation 4 of four found in the Grades K-4 Module 4 of Mission Geography. The Mission Geography curriculum integrates data and images from NASA missions with the National Geography Standards. Each of the four investigations in Module 4, while related, can be done independently(View Less)